Phone Comparison - Google Pixel 3a vs Xiaomi Mi 9T vs Xiaomi Redmi Note 9S
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| Manufacturer | Xiaomi | Xiaomi | |
| Announced | 2019, May | June 2019 | March 2020 |
| Status | Available. Released 2019, May | Coming Soon - June 2019 | Coming Soon - April 2020 |
| Colors | Clearly White, Just Black, Not Pink | Carbon black, Red flame, Glacier blue | Aurora Blue, Glacier White, Interstellar Gray |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension |
151.3 x 70.1 x 8.2 mm (5.96 x 2.76 x 0.32 in) |
156.7 x 74.3 x 8.8 mm (6.17 x 2.93 x 0.35 in) |
165.8 x 76.7 x 8.8 mm (6.53 x 3.02 x 0.35 in) |
| Weight | 147 g (5.19 oz) | 191 g (6.74 oz) | 209 g (7.37 oz) |
| SIM Type | Nano-SIM | Dual SIM (Nano-SIM, dual stand-by) | Dual SIM (Nano-SIM, dual stand-by) |
| 2G Network | GSM 850 / 900 / 1800 / 1900 CDMA2000 1xEV-DO |
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 12(700), 13(700), 17(700), 18(800), 19(800), 20(800), 25(1900), 26(850), 28(700), 29(700), 32(1500), 38(2600), 39(1900), 40(2300), 41(2500), 42(3500), 46, 66(1700/2100), 71(600) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) | LTE band 1(2100), 2(1900), 3(1800), 4(1700/2100), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300) |
| Messaging | |||
| Build Features | - Fingerprint Sensor - IP68 dust/water resistant (up to 1.5m for 30 mins) |
- Fingerprint Sensor(In-display) |
- Fingerprint Sensor (side-mounted) Splash-proof |
| Notification LED | Yes | - | - |
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| OS | Android 9.0 (Pie) | Android 9.0 (Pie) | Android 10.0 |
| User Interface | - | MIUI 10 | MIUI 11 |
| Processor | Octa-Core (2 x 2GHz Kryo 360 + 6 x 1.7GHz Kryo 360), Qualcomm SDM670 Snapdragon 670 | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver), Qualcomm SDM730 Snapdragon 730 (8 nm) | Octa-core (2x2.3 GHz Kryo 465 Gold & 6x1.8 GHz Kryo 465 Silver), Qualcomm SM7125 Snapdragon 720G (8 nm) |
| GPU | Adreno 615 | Adreno 618 | Adreno 618 |
| RAM | 4 GB | 6 GB | 6 GB |
| Internal Memory | 32/64 GB | 64/128 GB | 128 GB |
| External Memory | No | No | microSDXC (dedicated slot) |
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| Type | P-OLED Capacitive Touchscreen, Corning Gorilla Glass 5 | AMOLED Capacitive Touchscreen, Corning Gorilla Glass 5 | FHD+ IPS LCD Capacitive Touchscreen Corning Gorilla Glass 5 450 nits typ. brightness (advertised) |
| Colors | 16M colors | 16M colors | 16M colors |
| Size | 5.6 inches | 6.39 inches | 6.67 inches |
| Resolution | 1080 x 2220 pixels (441 ppi) | 1080 x 2340 pixels (403 ppi) | 1080 x 2400 pixels (395 ppi) |
| Screen-to-Body Ratio | 74.99% | 86.23% | 84.28% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | No | Yes | FM radio, recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 12.2 MP | 48 MP + 8 MP + 13 MP | 48 MP + 8 MP + 5 MP + 2 MP |
| Flash | Dual-LED Flash | Dual-LED Flash | LED flash |
| Features | 12.2 MP, f/1.8, 28mm (wide), 1/2.55", 1.4µm, OIS, dual pixel PDAF Auto-HDR, Panorama |
48 MP, f/1.8, 26mm (wide), 1/2", 0.8µm, PDAF 8 MP, f/2.4, 53mm (telephoto), 1/4", 1.12µm, PDAF, 2x optical zoom 13 MP, f/2.4, 12mm (ultrawide), 1/3", 1.12µm HDR, Panorama |
48 MP, f/1.8, 26mm (wide), 1/2.0", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 5 MP, f/2.4, (macro), 1.12µm 2 MP, f/2.4, (depth) HDR, Panorama |
| Video | 2160p@30fps, 1080p@30/60/120fps, 720p@240fps, 1080p@30fps (gyro-EIS) | 2160p@30fps, 1080p@30/120/240fps, 1080p@960fps | 2160p@30fps, 1080p@30/60/120fps, 720p@960fps, gyro-EIS |
| Front Camera |
8 MP, f/1.8, 28mm PDAF No AF, Auto-HDR, 1080p@30fps [Similar] |
Motorized pop-up 20 MP, f/2.2, 0.8µm, HDR, 1080p@30fps [Similar] |
16 MP Punch-Hole, f/2.5, 26mm (wide), 1/3.1", 1.0µm HDR 1080p@30fps [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSPA 42.2/5.76 Mbps, LTE-A (5CA) Cat16 1024/75 Mbps | HSPA 42.2/5.76 Mbps, LTE-A | HSPA 42.2/5.76 Mbps, LTE-A |
| Bluetooth | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE, aptX HD | 5.0, A2DP, LE |
| Wi-Fi | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, DLNA, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
| USB | 2.0, Type-C 1.0 reversible connector | 2.0, Type-C 1.0 reversible connector, USB On-The-Go | 2.0, Type-C 1.0 reversible connector |
| GPS | Yes, with A-GPS, GLONASS, BDS, GALILEO | Yes, with A-GPS, GLONASS, GALILEO, BDS | Yes, with A-GPS, GLONASS, GALILEO, BDS |
| Browser | Yes | Yes | Yes |
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| Internal | 32/64 GB, 4 GB RAM | 64/128 GB, 6 GB RAM | 128 GB, 6 GB RAM or 64 GB, 4 GB RAM (UFS 2.1) |
| Expandable Storage | No | No | microSDXC (dedicated slot) |
| USB OTG | Supported | Supported | Supported |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| Magnetic-Field Sensor (Compass) | |
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| Gyroscope Sensor | |
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| NFC | |
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| Type | Non-removable Li-Ion Battery Fast Battery Charging 18W |
Non-removable Li-Po Battery Fast battery charging 18W |
Non-removable Li-Po Battery Fast battery charging 18W |
| Capacity | 3000 mAh | 4000 mAh | 5020 mAh |
| Stand by | - | - | - |
| Talk Time | - | - | - |
